default_pre_build &&
cd "$SOURCE_DIRECTORY" &&
sedit '/^ *CCXFLAGS=/s!=!="$CFLAGS "!'   configure &&
sedit '/^CCXFLAGS=/ s!$! @CCXFLAGS@!'    cobrun/Makefile.in &&
sedit '/^CCXFLAGS1=/s!$! @CCXFLAGS@!'    compiler/Makefile.in &&
sedit 's!maybe_os in$!& linux-musl*|\\!' config.sub
